/* ==========================================================
   大發包裝材料行 — 共用樣式
   排版邏輯：頂部聯絡列 / 頁首導覽 / 主體（左側分類 + 右側內容）/ 頁尾
   ========================================================== */
:root{
  --ink:#1f2937; --ink-2:#4b5563; --ink-3:#6b7280;
  --paper:#fff; --wash:#f4f6f8; --line:#e3e7eb;
  --brand:#1f5fa8; --brand-dk:#164a85; --brand-wash:#eaf2fb;
  --accent:#d97706; --line-green:#06c755;
  --radius:8px; --shadow:0 1px 2px rgba(16,24,40,.06),0 10px 24px -14px rgba(16,24,40,.18);
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--wash);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:15.5px;line-height:1.75;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:var(--brand-dk)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 18px}

/* ---- 頂部聯絡列 ---- */
.topbar{background:var(--brand-dk);color:#dbeafe;font-size:.8rem}
.topbar .wrap{display:flex;gap:14px;justify-content:space-between;align-items:center;min-height:36px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar .t-hours{color:#a9c6e8}

/* ---- 頁首 ---- */
.masthead{background:var(--paper);border-bottom:3px solid var(--brand)}
.masthead .wrap{display:flex;align-items:center;gap:14px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);margin-right:auto}
.logo .mark{width:46px;height:46px;flex:none;border-radius:6px;background:var(--brand);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.logo b{display:block;font-size:1.22rem;font-weight:800;line-height:1.35}
.logo span{display:block;font-size:.75rem;color:var(--ink-3);letter-spacing:.06em}
.head-call{text-align:right;font-size:.8rem;color:var(--ink-3);display:none}
@media (min-width:640px){.head-call{display:block}}
.head-call b{display:block;font-size:1.32rem;color:var(--brand-dk);letter-spacing:.02em;line-height:1.3}

/* ---- 主導覽 ---- */
.mainnav{background:var(--brand);position:sticky;top:0;z-index:60}
.mainnav .wrap{display:flex;overflow-x:auto;scrollbar-width:none}
.mainnav .wrap::-webkit-scrollbar{display:none}
.mainnav a{color:#eaf2fb;text-decoration:none;font-weight:700;font-size:.96rem;
  padding:13px 20px;white-space:nowrap;border-right:1px solid rgba(255,255,255,.14)}
.mainnav a:first-child{border-left:1px solid rgba(255,255,255,.14)}
.mainnav a:hover{background:var(--brand-dk);color:#fff}
.mainnav a[aria-current]{background:#fff;color:var(--brand-dk)}

/* ---- 輪播 ---- */
.slider{position:relative;background:var(--brand-dk);overflow:hidden}
.slider-box{display:grid;grid-template-columns:100%;grid-template-rows:100%;width:100%;height:clamp(120px,33.34vw,560px)}
.slider .slide{grid-area:1/1;position:relative;min-width:0;min-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:opacity .7s ease}
.slider .slide.on{opacity:1;visibility:visible}
.slider .slide > .ph{height:100%;border:0;border-radius:0;min-height:0}
.slider .slide > img{width:100%;height:100%;object-fit:contain}
.slider .cap{position:absolute;left:0;right:0;bottom:0;padding:22px 20px;color:#fff;
  background:linear-gradient(transparent,rgba(9,20,36,.85))}
.slider .cap b{display:block;font-size:clamp(1.1rem,3.2vw,1.75rem);line-height:1.4}
.slider .cap span{font-size:.88rem;color:#cbd8e6}
.slider .dots{position:absolute;right:16px;bottom:12px;display:flex;gap:7px;z-index:3}
.slider .dots button{width:9px;height:9px;padding:0;border:0;border-radius:99px;background:rgba(255,255,255,.5);cursor:pointer}
.slider .dots button[aria-selected="true"]{background:#fff;width:22px}

/* ---- 佔位圖 ---- */
.ph{background:repeating-linear-gradient(45deg,#eef1f4 0 12px,#e6eaef 12px 24px);
  border:1px dashed #c9d1da;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;
  text-align:center;color:#8b96a3;font-size:.8rem;padding:14px;min-height:150px;line-height:1.6}
.ph b{display:block;font-weight:600;color:#76828f;margin-bottom:3px}
.ph em{font-style:normal;font-size:.72rem;opacity:.75}

/* ---- 版面骨架 ---- */
.layout{display:grid;gap:22px;grid-template-columns:1fr;padding:24px 0 40px}
.crumb{font-size:.84rem;color:var(--ink-3);margin-bottom:14px}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--brand-dk)}

/* ---- 左側分類選單 ---- */
.side{display:contents}
.side .box.acc{order:1}
.main{order:2}
.side .box.contact-box{order:3}
.side .box.acc > summary{list-style:none;cursor:pointer;padding:13px 16px;background:var(--brand);color:#fff;
  font-size:.98rem;font-weight:700;letter-spacing:.04em;display:flex;justify-content:space-between;align-items:center}
.side .box.acc > summary::-webkit-details-marker{display:none}
.side .box.acc > summary::after{content:"▾";font-size:.85rem}
.side .box.acc[open] > summary::after{content:"▴"}
.side .box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:16px}
.side .box > h3{margin:0;padding:13px 16px;background:var(--brand);color:#fff;font-size:.98rem;letter-spacing:.04em}
.side ul{list-style:none;margin:0;padding:0}
.side .cat > a{display:block;padding:11px 16px;text-decoration:none;color:var(--ink);font-weight:700;
  font-size:.94rem;border-top:1px solid var(--line);background:#fafbfc}
.side .cat:first-child > a{border-top:0}
.side .cat > a:hover{color:var(--brand-dk)}
.side .cat.on > a{color:var(--brand-dk);background:var(--brand-wash)}
.side .kinds li a{display:block;padding:8px 16px 8px 30px;text-decoration:none;color:var(--ink-2);
  font-size:.89rem;border-top:1px dotted var(--line);position:relative}
.side .kinds li a::before{content:"›";position:absolute;left:18px;color:var(--ink-3)}
.side .kinds li a:hover{background:#f7f9fb;color:var(--brand-dk)}
.side .kinds li a[aria-current]{background:var(--brand-wash);color:var(--brand-dk);font-weight:700}
.side .contact{padding:14px 16px;font-size:.88rem;line-height:1.9}
.side .contact .tel{font-size:1.24rem;font-weight:800;color:var(--brand-dk);letter-spacing:.02em;line-height:1.35}
.side .contact .tel2{font-size:1.24rem;font-weight:800;letter-spacing:.02em;line-height:1.35;margin-bottom:6px}
.side .contact .tel2 a{color:var(--brand-dk);text-decoration:none}
.side .contact .btns{display:grid;gap:8px;margin-top:10px}

/* ---- 內容區 ---- */
.main{min-width:0}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.page-title{display:flex;align-items:baseline;gap:12px;margin:0 0 16px;padding-bottom:12px;
  border-bottom:2px solid var(--line);font-size:1.32rem}
.page-title small{font-size:.78rem;color:var(--ink-3);font-weight:500;letter-spacing:.1em;text-transform:uppercase}

/* ---- 產品卡片 ---- */
.grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:box-shadow .15s,border-color .15s,transform .15s}
.pcard:hover{box-shadow:var(--shadow);border-color:#c7d3e0;transform:translateY(-2px)}
.pcard .pic{aspect-ratio:4/3;display:grid;grid-template-columns:100%;grid-template-rows:100%;background:#fff;overflow:hidden}
.pcard .pic > *{height:100%;min-width:0;min-height:0}
.pcard .pic img{width:100%;height:100%;object-fit:contain;padding:6px}
.pcard .pic .ph{border:0;border-radius:0;min-height:0}
.pcard .txt{padding:12px 14px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.pcard h3{margin:0;font-size:.98rem;line-height:1.5}
.pcard p{margin:0;font-size:.83rem;color:var(--ink-3);flex:1}
.pcard .more{font-size:.82rem;font-weight:700;color:var(--brand-dk)}

/* ---- 分頁 ---- */
.pager{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.pager a,.pager span{min-width:36px;text-align:center;padding:7px 11px;border:1px solid var(--line);
  border-radius:6px;background:var(--paper);text-decoration:none;color:var(--ink-2);font-size:.88rem}
.pager a:hover{border-color:var(--brand);color:var(--brand-dk)}
.pager .now{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}

/* ---- 產品詳細頁 ---- */
.detail{display:grid;gap:22px;grid-template-columns:1fr}
.gallery .big{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;display:grid;grid-template-columns:100%;grid-template-rows:100%}
.gallery .big > *{height:100%;min-width:0;min-height:0}
.gallery .big img{width:100%;height:100%;object-fit:contain;background:#fff}
.gallery .thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gallery .thumbs button{width:70px;height:70px;padding:0;border:1px solid var(--line);border-radius:6px;
  overflow:hidden;background:#f6f8fa;cursor:pointer}
.gallery .thumbs button[aria-selected="true"]{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-wash)}
.gallery .thumbs img{width:100%;height:100%;object-fit:cover}
.d-info h1{margin:0 0 6px;font-size:1.4rem;line-height:1.45}
.d-info .sku{font-size:.82rem;color:var(--ink-3);margin:0 0 14px}
.spec{width:100%;border-collapse:collapse;font-size:.92rem;margin-bottom:18px}
.spec th{width:104px;text-align:left;vertical-align:top;padding:10px 12px;background:#f7f9fb;
  border:1px solid var(--line);font-weight:700;color:var(--ink-2);white-space:nowrap}
.spec td{padding:10px 14px;border:1px solid var(--line)}
.d-actions{display:grid;gap:9px;margin-bottom:14px}
.d-note{font-size:.82rem;color:var(--ink-3)}
.d-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}

/* ---- 按鈕 ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:6px;
  text-decoration:none;font-weight:700;font-size:.95rem;border:1px solid transparent;cursor:pointer}
.btn:active{transform:translateY(1px)}
.btn-call{background:var(--accent);color:#fff}
.btn-line{background:var(--line-green);color:#fff}
.btn-ghost{background:var(--paper);color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dk)}
.btn-sm{padding:8px 14px;font-size:.86rem}

/* ---- 首頁區塊 ---- */
.home-sec{padding:34px 0}
.home-sec.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;margin-bottom:22px}
.sec-head h2{margin:0 0 4px;font-size:1.4rem;letter-spacing:.02em}
.sec-head p{margin:0;color:var(--ink-3);font-size:.9rem}
.sec-head::after{content:"";display:block;width:46px;height:3px;background:var(--brand);margin:12px auto 0;border-radius:2px}
.catgrid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
.catcard{position:relative;display:block;border-radius:var(--radius);overflow:hidden;text-decoration:none;
  background:var(--paper);border:1px solid var(--line)}
.catcard .pic{aspect-ratio:3/2;display:grid;grid-template-columns:100%;grid-template-rows:100%;background:#fff;overflow:hidden}
.catcard .pic > *{height:100%;min-width:0;min-height:0}
.catcard .pic img{width:100%;height:100%;object-fit:contain;padding:8px}
.catcard .pic .ph{border:0;border-radius:0;min-height:0}
.catcard .bar{padding:12px 14px;border-top:1px solid var(--line)}
.catcard .bar b{display:block;color:var(--ink);font-size:1.02rem}
.catcard .bar span{font-size:.8rem;color:var(--ink-3)}
.catcard:hover .bar b{color:var(--brand-dk)}
.newslist{list-style:none;margin:0;padding:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.newslist li{padding:14px 18px;border-top:1px solid var(--line)}
.newslist li:first-child{border-top:0}
.newslist time{font-size:.8rem;color:var(--ink-3);display:block}
.newslist b{font-size:.98rem}
.newslist p{margin:4px 0 0;font-size:.88rem;color:var(--ink-2)}
.two{display:grid;gap:18px;grid-template-columns:1fr}
.mapbox{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);min-height:300px}
.mapbox iframe{width:100%;height:100%;min-height:300px;border:0;display:block}
.infotable{width:100%;border-collapse:collapse;font-size:.94rem;background:var(--paper)}
.infotable th{width:96px;text-align:left;padding:11px 14px;background:#f7f9fb;border:1px solid var(--line);
  font-weight:700;color:var(--ink-2);white-space:nowrap}
.infotable td{padding:11px 14px;border:1px solid var(--line)}
.prose p{margin:0 0 14px;line-height:2}

/* ---- 頁尾 ---- */
footer.site{background:#1b2735;color:#9fb0c2;padding:26px 0;font-size:.86rem}
footer.site .wrap{display:grid;gap:12px}
footer.site .fnav{display:flex;gap:16px;flex-wrap:wrap}
footer.site a{color:#cfdcea;text-decoration:none}
footer.site small{color:#7f8fa0;font-size:.78rem;line-height:1.9}

/* ---- 手機底部快撥 ---- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;gap:8px;padding:8px 12px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-top:1px solid var(--line)}
.dock .btn{flex:1;padding:12px 8px}
body{padding-bottom:66px}

@media (min-width:640px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .catgrid{grid-template-columns:repeat(3,1fr)}
  .d-actions{grid-template-columns:1fr 1fr}
}
@media (min-width:960px){
  .layout{grid-template-columns:236px 1fr;padding:26px 0 48px}
  .side{display:block;align-self:start}
  .side .box.acc > summary{cursor:default}
  .side .box.acc > summary::after{display:none}
  .detail{grid-template-columns:1.05fr 1fr}
  .two{grid-template-columns:1fr 1fr}
  .catgrid{grid-template-columns:repeat(5,1fr)}
  .dock{display:none}
  body{padding-bottom:0}
}
@media print{.dock,.topbar,.mainnav,.side{display:none}}

/* ---- 首頁重點說明條 ---- */
.hl{background:var(--brand-dk);color:#fff}
.hl-grid{display:grid;gap:0;grid-template-columns:1fr}
.hl-item{padding:16px 4px;border-top:1px solid rgba(255,255,255,.16)}
.hl-item:first-child{border-top:0}
.hl-item b{display:block;font-size:1rem;margin-bottom:2px}
.hl-item b::before{content:"\2713";display:inline-block;margin-right:8px;color:#8ec5ff;font-weight:900}
.hl-item span{font-size:.86rem;color:#bcd4ee;display:block;padding-left:22px}
@media (min-width:640px){ .hl-grid{grid-template-columns:repeat(2,1fr)} .hl-item{border-top:0;padding:18px 12px} }
@media (min-width:960px){ .hl-grid{grid-template-columns:repeat(4,1fr)} }


/* ---- 尺寸洽詢提示 ---- */
.size-note{margin:0 0 18px;padding:11px 14px;background:var(--brand-wash);border-left:3px solid var(--brand);
  border-radius:4px;font-size:.9rem;color:var(--brand-dk);line-height:1.7}


/* ---- 門市實景照 ---- */
.shopshot{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.shopshot img{width:100%;height:auto;display:block}
.shopshot .ph{min-height:260px;border:0;border-radius:0}
.shopshot figcaption{padding:10px 14px;font-size:.86rem;color:var(--ink-3);border-top:1px solid var(--line);background:#fafbfc}


/* ---- 頁尾資訊列：整項不斷行，手機一行一項 ---- */
.fmeta{display:flex;flex-wrap:wrap;font-size:.82rem;color:#8fa2b5;line-height:2}
.fmeta span{white-space:nowrap}
.fmeta span::after{content:"　|　";color:#5b6b7d}
.fmeta span:last-child::after{content:""}
@media (max-width:639px){
  .fmeta{display:block}
  .fmeta span{display:block}
  .fmeta span::after{content:""}
}